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                                <h1 id="nuaaics-&#x8BC4;&#x5206;&#x7EC6;&#x5219;-pa31">NUAAICS &#x8BC4;&#x5206;&#x7EC6;&#x5219; PA3.1</h1>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x5B9E;&#x9A8C;&#x62A5;&#x544A;&#x5E94;&#x8BE5;&#x548C;&#x5B9E;&#x73B0;&#x8FC7;&#x7A0B;&#x540C;&#x6B65;&#x7F16;&#x5199;&#xFF0C;&#x5426;&#x5219;&#x6709;&#x4E9B;&#x9879;&#x2F6C;&#x5C06;&#x4E0D;&#x53EF;&#x91CD;&#x73B0;&#xFF08;&#x5982; loader&#xFF09;&#x3002;  </p>
<h2 id="&#x2F00;&#x3001;&#x601D;&#x8003;&#x9898;&#x548C;git&#xFF08;&#x6EE1;&#x5206;100&#x5206;&#xFF09;">&#x2F00;&#x3001;&#x601D;&#x8003;&#x9898;&#x548C;git&#xFF08;&#x6EE1;&#x5206;100&#x5206;&#xFF09;</h2>
<h4 id="1-&#x4EC0;&#x4E48;&#x662F;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#xFF1F;&#xFF08;5&#xFF09;">1. &#x4EC0;&#x4E48;&#x662F;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#xFF1F;&#xFF08;5&#xFF09;</h4>
<h4 id="2-&#x6211;&#x4EEC;&#x4E0D;&#x2F00;&#x6837;&#xFF0C;&#x5417;&#xFF1F;&#xFF08;5&#xFF09;">2. &#x6211;&#x4EEC;&#x4E0D;&#x2F00;&#x6837;&#xFF0C;&#x5417;&#xFF1F;&#xFF08;5&#xFF09;</h4>
<h4 id="3-&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7684;&#x5B9E;&#x8D28;&#xFF08;5&#xFF09;">3. &#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7684;&#x5B9E;&#x8D28;&#xFF08;5&#xFF09;</h4>
<h4 id="4-&#x7A0B;&#x5E8F;&#x771F;&#x7684;&#x7ED3;&#x675F;&#x4E86;&#x5417;&#xFF1F;&#xFF08;10&#xFF09;">4. &#x7A0B;&#x5E8F;&#x771F;&#x7684;&#x7ED3;&#x675F;&#x4E86;&#x5417;&#xFF1F;&#xFF08;10&#xFF09;</h4>
<h4 id="5-&#x89E6;&#x53D1;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#xFF08;10&#xFF09;">5. &#x89E6;&#x53D1;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#xFF08;10&#xFF09;</h4>
<h4 id="6-&#x6709;&#x4EC0;&#x4E48;&#x4E0D;&#x540C;&#xFF1F;&#xFF08;5&#xFF09;">6. &#x6709;&#x4EC0;&#x4E48;&#x4E0D;&#x540C;&#xFF1F;&#xFF08;5&#xFF09;</h4>
<h4 id="7-&#x6BB5;&#x9519;&#x8BEF;&#xFF08;10&#xFF09;">7. &#x6BB5;&#x9519;&#x8BEF;&#xFF08;10&#xFF09;</h4>
<h4 id="8-&#x5BF9;&#x2F50;&#x5F02;&#x5E38;&#x4E0E;&#x51FD;&#x6570;&#x8C03;&#x2F64;&#xFF08;5&#xFF09;">8. &#x5BF9;&#x2F50;&#x5F02;&#x5E38;&#x4E0E;&#x51FD;&#x6570;&#x8C03;&#x2F64;&#xFF08;5&#xFF09;</h4>
<h4 id="9-&#x8BE1;&#x5F02;&#x7684;&#x4EE3;&#x7801;&#xFF08;5&#xFF09;">9. &#x8BE1;&#x5F02;&#x7684;&#x4EE3;&#x7801;&#xFF08;5&#xFF09;</h4>
<h4 id="10-&#x6CE8;&#x610F;&#x533A;&#x5206;&#x4E8B;&#x4EF6;&#x53F7;&#x548C;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#x53F7;&#xFF08;5&#xFF09;">10. &#x6CE8;&#x610F;&#x533A;&#x5206;&#x4E8B;&#x4EF6;&#x53F7;&#x548C;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#x53F7;&#xFF08;5&#xFF09;</h4>
<h4 id="11-&#x6253;&#x5370;&#x4E0D;&#x51FA;&#x6765;&#xFF1F;&#xFF08;5&#xFF09;">11. &#x6253;&#x5370;&#x4E0D;&#x51FA;&#x6765;&#xFF1F;&#xFF08;5&#xFF09;</h4>
<h4 id="12-&#x7406;&#x89E3;&#x2F42;&#x4EF6;&#x7BA1;&#x7406;&#x51FD;&#x6570;&#xFF08;15&#xFF09;">12. &#x7406;&#x89E3;&#x2F42;&#x4EF6;&#x7BA1;&#x7406;&#x51FD;&#x6570;&#xFF08;15&#xFF09;</h4>
<h4 id="13-&#x4E0D;&#x518D;&#x795E;&#x79D8;&#x7684;&#x79D8;&#x6280;&#xFF08;5&#xFF09;">13. &#x4E0D;&#x518D;&#x795E;&#x79D8;&#x7684;&#x79D8;&#x6280;&#xFF08;5&#xFF09;</h4>
<h4 id="14-&#x5FC5;&#x7B54;&#x9898;&#xFF08;5&#xFF09;">14. &#x5FC5;&#x7B54;&#x9898;&#xFF08;5&#xFF09;</h4>
<h4 id="15-git-log&#x548C;git-branch&#x622A;&#x56FE;&#xFF08;5&#xFF09;">15. <code>git log</code>&#x548C;<code>git branch</code>&#x622A;&#x56FE;&#xFF08;5&#xFF09;</h4>
<h2 id="&#x2F06;&#x3001;&#x64CD;&#x4F5C;&#x9898;&#xFF08;&#x6EE1;&#x5206;100&#x5206;&#xFF09;">&#x2F06;&#x3001;&#x64CD;&#x4F5C;&#x9898;&#xFF08;&#x6EE1;&#x5206;100&#x5206;&#xFF09;</h2>
<h4 id="&#x5B9E;&#x73B0;-loader&#xFF08;10&#x5206;&#xFF09;">&#x5B9E;&#x73B0; loader&#xFF08;10&#x5206;&#xFF09;</h4>
<ul>
<li>&#x5B9E;&#x73B0;&#x7B80;&#x5355; loader&#xFF0C;&#x89E6;&#x53D1;&#x672A;&#x5B9E;&#x73B0;&#x6307;&#x4EE4; int&#xFF1B;  </li>
<li>&#x5B9E;&#x73B0;&#x5F15;&#x2F0A;&#x2F42;&#x4EF6;&#x7CFB;&#x7EDF;&#x540E;&#x7684; loader&#xFF1B;  </li>
</ul>
<h4 id="&#x6DFB;&#x52A0;&#x5BC4;&#x5B58;&#x5668;&#x548C;-lidt-&#x6307;&#x4EE4;&#xFF08;10-&#x5206;&#xFF09;">&#x6DFB;&#x52A0;&#x5BC4;&#x5B58;&#x5668;&#x548C; LIDT &#x6307;&#x4EE4;&#xFF08;10 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x6839;&#x636E; i386 &#x2F3F;&#x518C;&#x6B63;&#x786E;&#x6DFB;&#x52A0; IDTR &#x548C; CS &#x5BC4;&#x5B58;&#x5668;&#xFF1B;  </li>
<li>&#x5728; restart() &#x4E2D;&#x6B63;&#x786E;&#x8BBE;&#x7F6E;&#x5BC4;&#x5B58;&#x5668;&#x521D;&#x59CB;&#x503C;&#xFF1B;  </li>
<li>LIDT &#x6307;&#x4EE4;&#x7EC6;&#x8282;&#x53EF;&#x5728; i386 &#x2F3F;&#x518C;&#x4E2D;&#x627E;&#x5230;&#xFF1B;  </li>
</ul>
<h4 id="&#x5B9E;&#x73B0;-int-&#x6307;&#x4EE4;&#xFF08;10-&#x5206;&#xFF09;">&#x5B9E;&#x73B0; INT &#x6307;&#x4EE4;&#xFF08;10 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x5B9E;&#x73B0;&#x5199;&#x5728; raise_intr() &#x51FD;&#x6570;&#x4E2D;&#xFF1B;  </li>
<li>&#x4F7F;&#x2F64; INT &#x7684; helper &#x51FD;&#x6570;&#x8C03;&#x2F64; raise_intr()&#xFF1B;  </li>
<li>&#x6307;&#x4EE4;&#x7EC6;&#x8282;&#x53EF;&#x5728; i386 &#x2F3F;&#x518C;&#x4E2D;&#x627E;&#x5230;&#xFF1B;  </li>
</ul>
<h4 id="&#x5B9E;&#x73B0;&#x5176;&#x4ED6;&#x76F8;&#x5173;&#x6307;&#x4EE4;&#x548C;&#x7ED3;&#x6784;&#x4F53;&#xFF08;15-&#x5206;&#xFF09;">&#x5B9E;&#x73B0;&#x5176;&#x4ED6;&#x76F8;&#x5173;&#x6307;&#x4EE4;&#x548C;&#x7ED3;&#x6784;&#x4F53;&#xFF08;15 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x7EC4;&#x7EC7; _RegSet &#x7ED3;&#x6784;&#x4F53;&#xFF0C;&#x9700;&#x8981;&#x8BF4;&#x660E;&#x7406;&#x7531;&#xFF1B;  </li>
<li>pusha, popa, iret&#xFF1B;  </li>
<li>&#x4E0A;&#x8FF0;&#x6307;&#x4EE4;&#x7EC6;&#x8282;&#x90FD;&#x53EF;&#x5728; i386 &#x2F3F;&#x518C;&#x4E2D;&#x627E;&#x5230;&#xFF1B;  </li>
</ul>
<h4 id="&#x5B8C;&#x5584;&#x4E8B;&#x4EF6;&#x5206;&#x53D1;&#x548C;-dosyscall&#xFF08;15-&#x5206;&#xFF09;">&#x5B8C;&#x5584;&#x4E8B;&#x4EF6;&#x5206;&#x53D1;&#x548C; do_syscall&#xFF08;15 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x5B8C;&#x5584; do_event&#xFF0C;&#x2F6C;&#x524D;&#x9636;&#x6BB5;&#x4EC5;&#x9700;&#x8981;&#x8BC6;&#x522B;&#x51FA;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#x4E8B;&#x4EF6;&#x5373;&#x53EF;&#xFF1B;  </li>
<li>&#x6DFB;&#x52A0;&#x6574;&#x4E2A;&#x9636;&#x6BB5;&#x4E2D;&#x7684;&#x6240;&#x6709;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#xFF08;none, exit, brk, open, write, read, lseek, close&#xFF09;&#xFF1B;  </li>
</ul>
<h4 id="&#x5B9E;&#x73B0;&#x5806;&#x533A;&#x7BA1;&#x7406;&#xFF08;10-&#x5206;&#xFF09;">&#x5B9E;&#x73B0;&#x5806;&#x533A;&#x7BA1;&#x7406;&#xFF08;10 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x5806;&#x533A;&#x7BA1;&#x7406;&#x76F8;&#x5173;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#x548C;&#x5C01;&#x88C5;&#x51FD;&#x6570;&#xFF0C;&#x5982; sys_brk&#xFF0C; mm_brk&#xFF0C; _sbrk()&#xFF0C; brk()&#xFF0C; sbrk()&#xFF1B;  </li>
<li>&#x5176;&#x4E2D;&#x6709;&#x90E8;&#x5206;&#x5DF2;&#x7ECF;&#x5B9E;&#x73B0;&#xFF0C;&#x6216;&#x8005;&#x53EA;&#x7ED9;&#x51FA;&#x4E86;&#x6846;&#x67B6;&#xFF1B;  </li>
</ul>
<h4 id="&#x5B9E;&#x73B0;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#xFF08;10-&#x5206;&#xFF09;">&#x5B9E;&#x73B0;&#x7CFB;&#x7EDF;&#x8C03;&#x2F64;&#xFF08;10 &#x5206;&#xFF09;</h4>
<ul>
<li>&#x5B9E;&#x73B0; sys_[open|write|read|lseek|close|brk] &#x51FD;&#x6570;&#xFF1B;  </li>
<li>&#x6CE8;&#x610F;&#xFF0C;&#x2F42;&#x4EF6;&#x7CFB;&#x7EDF;&#x76F8;&#x5173;&#x63A5;&#x2F1D;&#x5DF2;&#x7ECF;&#x5B9E;&#x73B0;&#xFF0C;&#x4F60;&#x53EA;&#x9700;&#x8981;&#x2F83;&#x2F8F;&#x786E;&#x5B9A;&#x76F8;&#x5173;&#x53C2;&#x6570;&#x8C03;&#x2F64;&#x5373;&#x53EF;&#xFF1B;  </li>
</ul>
<h4 id="&#x6210;&#x529F;&#x8FD0;&#x2F8F;&#x5404;&#x6D4B;&#x8BD5;&#x2F64;&#x4F8B;&#xFF08;20-&#x5206;&#xFF09;">&#x6210;&#x529F;&#x8FD0;&#x2F8F;&#x5404;&#x6D4B;&#x8BD5;&#x2F64;&#x4F8B;&#xFF08;20 &#x5206;&#xFF09;</h4>
<ul>
<li>Hello world&#xFF1B;  </li>
<li>/bin/text&#xFF1B;  </li>
<li>/bin/bmptest&#xFF1B;  </li>
<li>/bin/events&#xFF1B;  </li>
<li>&#x4ED9;&#x5251;&#x5947;&#x4FA0;&#x4F20;&#xFF1B;  </li>
</ul>

                                
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